*4.7. Moisture Content (MC)*

The gravimetric method was used to determine the MC of the film samples by subjecting them to drying at 105 ◦C. The weight variation among films was determined using the following equation:

$$\text{Moisture Content} = \frac{W1 - W2}{W1} \times 100\tag{4}$$

where *W*1 and *W*2 represent the weight before and after drying of the films.
